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Conversion of diacetyl-C-(beta-D-glucopyranosyl)phloroglucinol to spiroketal compounds |
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| Authors: | Sato Shingo Kumazawa Toshihiro Watanabe Ko ichi Matsuba Shigeru Onodera Jun ichi |
| Institution: | Department of Chemistry and Chemical Engineering, Faculty of Engineering, Yamagata University, 3-5-6 Jonan, Yonezawa, 992-8510, Yamagata, Japan. shingo-s@yz.yamagata-u.ac.jp |
| Abstract: | Diacetyl-C-(beta-D-glucopyranosyl)phloroglucinol was converted by refluxing in water to spiro(benzofuran-2H]furan) a new compound, along with spiro(benzofuran-2H]pyran). The stereochemistry of the quaternary carbon of both spiro compounds had an S-configuration. |
| Keywords: | d-glucopyranosyl)phloroglucinol" target="_blank">Diacetyl-C-(β-d-glucopyranosyl)phloroglucinol Spiro[benzofuran-2(3H) 2′-[2H]pyran] Spiro[benzofuran-2(3H) 2′-[2H]furan] Quaternary carbon Stereochemistry Pinnatifinoside |
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